/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.apps.common.testing.broker;

/**
 * Make your device brokers pretty with this one interface.
 *
 * <p>Decorators are applied in an *arbitrary* order to the @SelectedBroker that the
 * DeviceBrokerModule binds.
 */
interface DeviceBrokerDecorator {

  /** Wrap the provided device broker with some crosscutting behaviour. */
  public DeviceBroker decorate(DeviceBroker needsSomeStyle);

  /** An advanced implementation of the DeviceBrokerDecorator. */
  final class NoOpDecorator implements DeviceBrokerDecorator {

    @Override
    public DeviceBroker decorate(DeviceBroker needsSomeStyle) {
      return needsSomeStyle;
    }
  }
}
